<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Demo Project</title>
    <style>
        html,
        body {
            height: 100%;
        }
        body {
            overflow: hidden;
        }
        #root {
            display: flex;
            height: 100%;
            max-width: 750px;
            margin: 0 auto;
            background-color: #f5f5f5;
        }
    </style>
</head>
<body>
<div id="root"></div>
</body>
</html>
